Home / 122,016.66-183,077.36-47,189.31

Finding the Fourth Proportional to 122,016.66, 183,077.36 and 47,189.31

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Solution

The fourth proportional to 122,016.66, 183,077.36 and 47,189.31 is: 70,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,016.66 : 183,077.36 = 47,189.31 : x
  2. Step 2: Convert to fraction form
    122,016.66/183,077.36 = 47,189.31/x
  3. Step 3: Cross multiply
    122,016.66x = 183,077.36 × 47,189.31
  4. Step 4: Simplify right side
    122,016.66x = 8,639,294,031.22
  5. Step 5: Solve for x
    x = 8,639,294,031.22/122,016.66
  6. Step 6: Final answer
    x = 70,804.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.